<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>标签切换</title>
	</head>
	<body>
		<div class="main_container">
			<ul>页面一</ul>
			<ul>页面二</ul>
			<ul>页面三</ul>
			<ul>页面四</ul>
		</div>
	</body>
</html>